Whether the X-ray source and electron source must be coherent for XRD and electron diffraction?

Whether the X-ray source and electron source must be coherent for XRD and electron diffraction? For X-rays emitted from X-ray tubes and electrons from electron guns, the photon and electron...

01 July 2020 540 9 View

How to get the eqution of the covariance matrix Rk based on residuals?

How to get the equation Qvxk=Rk-HkQxkHkT by applying the error propagation law to vzk=(E-HkGk)dk?

10 December 2019 8,315 1 View

How can I search a substructure in a big structure?

Hi, I have a cubic MD simulation box containing 56 molecules, the positions and orientations of these molecules will change during the simulations, and I have another crystal cell containing...

31 July 2019 3,021 1 View

Can you recommend me some chapters and articles about III-V solar cell manufacturing?

I want to learn the fabrication of III-V multijunction solar cell details.

03 December 2018 3,490 3 View

Why sometimes in EN measurement [ZRA mode], only current or potential signal shows transients, not simultaneously in both current and potential data?

Hi, I recently got an EN record as shown in the attached image. The carbon steel specimens were uniformly corroded in general, but there were a few areas that were corroded more seriously - the...

28 February 2018 3,707 2 View

A shift in RT in my HPLC, please help me?

I used C18 semi-prep column to purify natural products. I've found the great gradient for my compound purification and ran 2 run for 50um of my sample and I have wash procedure after each sample...

06 February 2018 2,520 2 View

How to distinguish the direction of subduction by foliation occurrence of the accretionary wedge?

01 July 2017 4,283 2 View

No title

26 May 2017 7,984 2 View

What effects temper martensite embrittlement have on fatigue of steel ?

what effects temper martensite embrittlement have on fatigue crack nucleation and propagation?

10 October 2016 1,576 25 View

Any particular reason(s) for using SiHa, HCT116, HT-29, and FaDu cells in tumor hypoxia studies?

SiHa, HCT116, HT-29, and FaDu cell lines have been widely used in tumour hypoxia studies. Any particular reason(s) for selecting those lines? Thanks everyone :)

01 June 2016 6,199 2 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

How does the gut microbiome affect the fibrotic process within the liver?

and Can the gut microbe be used for the treatment or diagnosis of liver fibrosis?

02 March 2021 557 2 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

IHC on mouse liver hepatocytes?

Can anyone help me choose primary antibodies for mouse liver hepatocytes and also in conjunction Cd8 cells. Also Cd3 cells. I want to look at hepatocytes and adjacent immune cells in mice with...

01 March 2021 6,953 1 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

Can Ethovision store the generated data and video recordings directly to NAS system?

The size of data generated by Ethovision is huge. Having NAS system for data storage seems to be a good option, I am wondering whether Ethovision can directly store the data to the NAS system...

27 February 2021 6,350 2 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View